Related by context. All words. (Click for frequent words.) 70 Sodium hydroxide 68 Nitric acid 67 Hydrogen sulfide 67 Sodium cyanide 67 Sulfuric acid 66 Muriatic acid 65 ethyl acrylate 65 Hydraulic fluid 64 Anhydrous ammonia 64 colorless flammable liquid 63 Chlorine bleach 63 Ammonia 63 colorless liquid 63 degreasing agent 63 Vinyl chloride 62 Hydrogen sulphide 62 potassium hydroxide 62 respiratory irritant 62 Sodium hypochlorite 61 benzene toluene xylene 61 bacteria Clostridium botulinum 61 nitric acids 61 Carbon monoxide CO 61 hydrochloric acid 61 Hydrogen peroxide 61 Ethylene glycol 61 respiratory tract irritation 61 dichloroethene 61 hazardous solvents 60 ammonium chloride 60 Mercaptan 60 colorless odorless tasteless 60 Sulfur dioxide 60 Sodium Hydroxide 60 Hydrogen chloride 60 sulfuric acids 60 suspected carcinogen 60 sodium hydrochloride 60 trichloroethene 60 Potassium hydroxide 60 benzenes 60 Sulphuric acid 60 Trichloroethylene 60 Hydrofluoric acid 60 Hexavalent chromium 60 tetrachloroethene 60 chromic acid 59 sulfur trioxide 59 degreasing solvent 59 flammable corrosive 59 fragrances dyes 59 hydrochloric 59 hydrochloric acids 59 heptane 59 Chlorine dioxide 59 Chloramines 59 para dichlorobenzene 59 magnesium hydroxide 59 methyl chloride 59 Citric acid 59 polyaromatic hydrocarbons 59 sodium lauryl sulfate 59 oxidizing agent 59 plutonium americium 59 Sodium dichromate 59 Elemental mercury 59 sulfuric acid caustic soda 59 poisonous flammable 59 hydrogen chloride 59 Hydrochloric 59 hydrofluoric acids 58 Hydrogen Sulfide 58 tetrachlorethylene PCE 58 nerve toxin 58 hypochlorite 58 Hydrochloric Acid 58 trichloroethane 58 sodium borate 58 formaldehyde benzene 58 trichloroethene TCE 58 hydrochloric acid hydrogen 58 cyanides 58 TCE trichlorethylene 58 #,# dichlorobenzene 58 oxidises 58 Magnesium chloride 58 potent toxin 58 monoethanolamine 58 chlorine bromine 58 ethanolamine 58 swallowed inhaled 58 methylene chloride 58 metal degreasing 58 Boric acid 58 Skydrol ® aviation 58 toxic hydrogen sulfide 58 industrial degreaser 58 bismuth oxychloride 58 Activated charcoal 58 sulfuric acid nitric acid 57 sodium laureth sulfate 57 clog pores 57 Sodium bicarbonate 57 corrodes metal 57 erode tooth enamel 57 hydrocyanic acid 57 degrease 57 methyl ethyl ketone 57 oleum 57 carbon tetrachloride 57 corrosive acid 57 pore clogging 57 polychlorinated biphenyl 57 Polluted runoff 57 biphenyls 57 ferric chloride 57 phosphine gas 57 tetrachloroethene PCE 57 Baking soda 57 sodium lauryl sulphate 57 harmful contaminants 57 toxic hydrogen sulphide 57 trihalomethanes THMs 57 arsenic selenium 57 volatilized 57 Acrolein 57 oxalic acid 57 sodium laurel sulfate 57 allergens irritants 57 incomplete combustion 57 Sulfates 57 vinyl chloride monomer 57 Carbon tetrachloride 57 aerosolised 57 yellowish liquid 57 diarrhea cramps nausea 57 aromatic hydrocarbon 57 sodium hydroxide 57 Diesel exhaust 57 resorcinol 57 potassium permanganate 57 exothermic reaction 57 Numoisyn ® Lozenges 57 quaternary ammonium compounds 56 dichloroethane 56 neuro toxin 56 sodium percarbonate 56 caustic soda sodium hydrosulfite 56 chlorine caustic soda 56 arsenic benzene 56 dispersible 56 Therminol r heat 56 Lactic acid 56 flammable solvents 56 ammonia 56 colorless flammable 56 contrast chlorine disinfection 56 spontaneously ignite 56 chloride salts 56 inhalation ingestion 56 detergents solvents 56 hydrogen sulphide H2S 56 emulsifying agent 56 polymerizes 56 nitric acid 56 hydrofluoric acid 56 benzene ethylbenzene 56 flammable solvent 56 ingested inhaled 56 diisocyanate 56 Hydrazine 56 hormone disrupter 56 chlorobenzene 56 lung irritant 56 inhalation hazard 56 hydrocarbon vapors 56 corrosive flammable 56 chlorine 56 persistent bio accumulative 56 acrolein 56 Hydrogen cyanide 56 fluorotelomers 56 barium chloride 56 benzene arsenic 56 particulate matter nitrogen oxides 56 glycols 56 harmful vapors 56 calcium sulfate component 56 Sodium Hypochlorite 56 bleach ammonia 56 naturally occurring bacterium 56 Sodium silicate 56 Inorganic arsenic 56 Sulfuric 56 organophosphate insecticide 56 reactive oxygen molecules 56 Acetone 56 toxic solvents 56 Acidic 56 acids alkalis 56 Tetrachloroethylene 55 Pyrethrins 55 Isopropyl alcohol 55 Halogenated 55 2 butoxyethanol 55 Bromate 55 sodium chlorite 55 peracetic acid 55 Clostridium botulinum bacterium 55 adhesives paints 55 butyl ether 55 butyl acrylate 55 strontium sulfide 55 colorless crystalline 55 Ketones 55 oxidizing salt 55 corrosive acids 55 toxic byproducts 55 oils waxes 55 inhaled ingested 55 Polychlorinated biphenyls 55 glycol ethers 55 cyclohexane 55 bacterium Clostridium botulinum 55 cadmium chloride 55 Trichloroethylene TCE 55 tasteless odorless 55 sodium bisulfate 55 Methomyl 55 Diethylene glycol 55 Polycyclic Aromatic Hydrocarbons 55 odorless colorless tasteless 55 petroleum distillates 55 allyl alcohol 55 sodium sulfide 55 Hydrogen Sulphide 55 plastics detergents 55 invisible odorless 55 inorganic salts 55 Phosphoric acid 55 mucous membranes lining 55 solvents pesticides 55 Methylene chloride 55 mimics estrogen 55 carbon monoxide particulate matter 55 oils solvents 55 Fecal coliform 55 endocrine disrupter 55 Brominated 55 #,#,# trichloroethane 55 allantoin 55 hypochlorous acid 55 hydrogen sulfide gases 55 nasal stuffiness eye 55 petroleum byproducts 55 botulism bacteria 55 corrosive fluids 55 Sulphur dioxide 55 mercaptans 55 calcium oxide 55 arsenic chromium 55 Acetaldehyde 55 dihydrate 55 methyl tert butyl ether 55 Xylene 55 Sodium chloride 55 solvent vapors 55 tannic acid 55 activated charcoal 55 polychlorinated biphenyl PCB 55 sulfur oxides nitrogen oxides 55 isopropyl 55 Phenol 55 fluorocarbons 55 Ceresco Dam downstream 54 carbon monoxide nitrogen oxides 54 carcinogenic polycyclic aromatic hydrocarbons 54 sodium bromide 54 lint buildup 54 Sorbitol 54 lime slurry 54 carcinogenic substance 54 Methyl mercury 54 combustion gases 54 Radioactive tritium 54 Dryer lint 54 naturally occurring amino acid 54 Oxybenzone 54 sodium hydroxide lye 54 carbon disulfide 54 potent vasodilator 54 Ionic liquids 54 Hydrogen fluoride 54 potent neurotoxin 54 Benzocaine 54 nitric 54 paraben 54 butyl acetate 54 specialist Maria Duazo 54 methyl mercaptan 54 Epoxy resins 54 dioxins furans 54 elemental sulfur 54 humectant 54 methomyl 54 beryllium dust 54 Kuan Yin Taiwan 54 solvent toluene 54 Nitrogen oxide 54 benzaldehyde 54 benzoate 54 Urushiol 54 inhaled swallowed 54 phosphates nitrates 54 Polybrominated 54 processing castor beans 54 Salicylic acid 54 Activated carbon 54 Calcium chloride 54 Sulfate 54 removes impurities 54 Permethrin 54 carcinogens mutagens 54 tetrahydrofuran 54 diacetyl vapors 54 tritium contaminated 54 dechlorinated 54 toluene diisocyanate 54 benzene toluene ethylbenzene 54 muriatic acid 54 #,# dichloroethane 54 VOC Volatile Organic Compounds 54 Betaine 54 Benzoyl peroxide 54 hydroxide 54 sulfoxide 54 Chlorine 54 Ethylene oxide 54 hydrochloric acid HCl 54 finely powdered 54 d limonene 54 Calcium carbide 54 hydroperoxide 54 sodium bisulfite 54 boron trifluoride 54 chemical metabolizes 54 persulfate 54 oxidizers 54 phenoxyethanol 54 isopropyl alcohol 54 Hexane 54 drywall emits 54 Sodium fluoride 54 causes botulism 54 polyester resins alkyd resins 54 sodium chlorate potassium hydroxide 54 harmless nitrogen 54 Glycerol 54 paints solvents pesticides 54 Ultraviolet light 54 soluable 54 bacteria yeasts 54 sulfuric compounds 54 hazardous vapors 54 perchloric acid 54 injected snorted smoked 54 Benzyl alcohol 54 isobutylene 54 calcium sulphate 54 Latex paints 54 methanol formaldehyde 54 dihydroxyacetone DHA 54 sterile saline solution 54 iron sulfide 54 Air fresheners 54 hydroxyl radicals 53 oxidizing substance 53 toluene benzene 53 ethoxylates 53 lactic acidosis buildup 53 Sulfur compounds 53 Volatile Organic Compounds 53 alkyd paint 53 tetrachlorethylene 53 chemical vapors 53 caustic soda chlorine 53 pentachlorophenol 53 toxic dioxins 53 anolyte 53 benzoates 53 Carbaryl 53 sodium lauryl 53 plastic kitchenware glues 53 polynuclear aromatic hydrocarbons 53 nitric oxides 53 outgas 53 benzyl 53 Sodium nitrite 53 sulfated chondroitin sulfate 53 salmonella bacterium 53 fentanyl gel 53 hydroxyethyl cellulose 53 Rust Stain Remover 53 microwave popcorn bags 53 Thoroughly cooking eggs 53 aggravate acne 53 chloride 53 Sodium Lauryl Sulfate 53 solvents 53 odorless colorless 53 thymol 53 Anhydrous 53 liquid chlorine hydrochloric 53 dichloroethene DCE 53 gentian violet 53 pollen animal dander 53 Potassium Hydroxide 53 psychoactive chemical 53 hydrogen recirculation compressor 53 airborne irritants 53 mercury dioxins 53 silicon tetrafluoride 53 rotten egg stench 53 chlorinated solvents 53 ethylene glycol antifreeze 53 volatilize 53 Picric acid 53 liquid chlorine bleach 53 potent carcinogen 53 ferric oxide 53 de ionised 53 ammonium hydroxide 53 benzene formaldehyde 53 aqueous urea solution 53 soot particulates 53 brake fluid tubes 53 polycarbonate plastics 53 odor neutralizer 53 odorless colorless gas 53 hydrogen fluoride 53 ingested orally 53 Phosphine 53 zinc chloride 53 PURE Bioscience PURE 53 drilling muds 53 aluminum hydroxide 53 Potassium chloride 53 oxidiser 53 tetroxide 53 harmful byproducts 53 Propylene glycol 53 odorless tasteless 53 Diethylene Glycol 53 chlorine bleaching 53 calcium hydroxide 53 emulsifies 53 monomethyl hydrazine 53 soluble salts 53 Concrete Cleaner 53 waterborne microorganisms 53 biphenyl 53 chlorine disinfectant 53 Propionate 53 liquid ammonia 53 Hydroquinone 53 Triclosan 53 aqueous ammonia 53 dichloroethylene 53 ammonia NH3 53 chemicals diazinon malathion 53 aromatic hydrocarbons 53 aqueous dispersion 53 Untreated sewage 53 Latex paint 53 hydrocarbons carbon monoxide 53 laundry detergent fabric softener 53 formaldehyde resin 53 Oily skin 53 Leaky toilets 53 Leachate 53 propylene glycol 53 Chlorine Dioxide 53 fracturing fluids 53 PCBs dioxins 53 topical lotions 53 liquid dishwashing detergent 53 gallic acid 53 molten sulfur 53 formaldehyde carcinogen 53 combustion byproducts 53 corrosives 53 amonia 53 ferrous sulphate 53 toxic pollutant 53 Parabens 53 sodium hypochlorite 53 mold fungi 53 hexachlorobenzene 53 acids solvents 53 benzyl alcohol 53 coal tars 53 germicide 53 anti caking 53 Beet juice 53 colorless odorless radioactive 53 industry Skydrol r 53 odorous compounds 53 urushiol 53 carboxymethyl cellulose 53 Alkyl 52 chlorinated solvent 52 azelaic acid 52 Corexit dispersant 52 carcinogenic chemicals 52 sodium sulfite 52 corrosive gases 52 ethyl acetate 52 pesticides solvents 52 groundwater contaminant 52 vinegar acetic acid 52 cleaners disinfectants 52 acrylic polymer 52 corrosion inhibitor 52 selenium sulfide 52 oxidising 52 corrosive liquid 52 Volatile organic compounds 52 antifungals malachite green 52 crystalline powder 52 Polysorbate 52 Serum phosphorus 52 ethylene oxide 52 chlorides 52 methyl hydrate 52 Dimethyl 52 Propylene Glycol 52 salt calcium chloride 52 chlorine ammonia 52 n butyl 52 sulfur dioxide nitrous oxide 52 chloramines 52 irritate lungs 52 magnesium silicate 52 sodium hydrosulfite 52 Toluene 52 Hydrogen sulfide gas 52 sulfonic acid 52 carboxylic acids 52 chemical solvents 52 cumene 52 emit fumes 52 liquid fabric softener 52 colorless odorless poisonous 52 grout sealer 52 cetyl alcohol 52 emit toxic fumes 52 glycol ethylene 52 polytetrafluoroethylene PTFE 52 inorganic mercury 52 chlorate 52 Nitrites 52 carcinogenic byproducts 52 caustic byproduct 52 oily residue 52 Trihalomethanes 52 chlorine bleaches 52 hydrogen chloride HCl 52 chemically reactive 52 inhaling mist 52 chlorinated compounds 52 subsea dispersants 52 Linalool 52 barium chromium 52 overpressurized 52 deicing fluids propylene glycol 52 airway irritation 52 vinyl acetate 52 trisodium phosphate 52 dyes preservatives 52 oxidising agent 52 diglycol 52 Ingestion 52 Inhalation 52 electrolyzed 52 Chromium VI 52 diethyl 52 Sodium Chloride 52 Formic acid 52 manure decomposes 52 dimethyl sulfide 52 iso octane 52 filter feeders sucking 52 Phosgene 52 Surfactants 52 degreasing 52 gel cleanser 52 raffinate 52 demineralized water 52 toxic polychlorinated biphenyls 52 barium cadmium 52 naturally occurring substance 52 Clostridium botulinum toxin 52 listeria monocytogenes bacteria 52 Diacetyl 52 liquid aerosol 52 lacquer thinner 52 Soot particles 52 paint removers 52 picric acid 52 contaminate shellfish 52 amphibole asbestos 52 microcystins 52 Dispersants contain 52 phenol formaldehyde 52 elemental chlorine 52 hydrogen cyanide HCN 52 denatured alcohol 52 sodium phosphate 52 dechlorination 52 Calcium carbonate 52 Benzyl 52 inert nitrogen 52 calcium hypochlorite 52 toxic gasses 52 Odorless 52 diphenyl ethers 52 Dioxane 52 dichloromethane 52 leaking potassium hydroxide 52 Dispersant 52 Zicam nasal spray 52 pthalates 52 thixotropic 52 fecal material 52 organochlorine pesticide 52 gaseous chlorine 52 Indspec Chemical Corp. 52 polybrominated diphenyl ether 52 hydrogen sulfide sulfuric acid 52 methyl isobutyl ketone 52 Sewage sludge 52 soya lecithin 52 uric acids 52 de ionized 52 mucous membranes 52 Methylene Chloride 52 barium sulfate 52 radium naturally occurring 52 vegetable glycerin 52 mercaptan 52 Candle wax 52 vinyl chloride monomer VCM 52 sodium alginate 52 phosphorus pentoxide 52 termiticide 52 Capsaicin 52 sulfuric acid 52 ethene 52 benzol 52 Silica gel 52 water soluble 52 l lysine 52 sodium coolant 52 benzene carcinogen 52 sterile saline 52 Rinsing 52 calcium bicarbonate 52 aluminum phosphide 52 PAHs polycyclic aromatic hydrocarbons 52 Airplanes sprayed 52 xylenes 52 isocyanate 52 PFCAs 52 deionized 52 HAAs 52 Propyl 52 octyl 52 sodium citrate 52 PCBs dioxin 51 blisters rashes 51 fracking fluid 51 orthoxylene 51 nonylphenol 51 endocrine disruptor 51 Rinses 51 patented antimicrobial 51 aluminum chloride 51 arsenic barium 51 arsenic cadmium chromium 51 epoxides 51 bioaccumulative 51 gastrointestinal irritation 51 Songhua flows 51 toluene xylene 51 desulfurizer 51 salicylic 51 hydrofluoric 51 Rubbing alcohol 51 particulate matter PM#.# 51 tert butyl 51 non comedogenic 51 Nitrite 51 organotins 51 contaminate groundwater 51 carbonic acid 51 liquid dishwashing soap 51 nitrogen tetroxide 51 polyacrylamide 51 benzene nitrobenzene 51 eucalyptol 51 cetyl 51 concentrated sulfuric acid 51 diazinon malathion 51 chelating agent 51 flammable combustible 51 All Purpose Cleaner 51 Acrylic acid 51 Zeolites 51 pentane 51 trioxide 51 pollutes groundwater 51 Diatomaceous earth 51 organophosphate pesticide 51 phenolphthalein 51 produce briny wastewater 51 Aloe Vera Gel 51 anticorrosive 51 Chlordane 51 deodorizes 51 powerful neurotoxin 51 linalool 51 varnish remover 51 opportunistic pathogens 51 ethylbenzene 51 freeze dried lyophilized 51 nasal irritation 51 zinc pyrithione 51 carcinogenic dioxins 51 pyrethrins 51 crystalized chemicals 51 Naphthalene 51 plausible explanation CAS 51 nasal stuffiness 51 polycyclic aromatic hydrocarbon 51 bleach detergent 51 biphenyls PCBs 51 Aerosol cans 51 heptachlor 51 flocculant 51 Lecithin 51 vinyl chloride 51 THMs 51 oxymorphone hydrochloride 51 Bifidobacterium infantis 51 Exhaled 51 caustic sodas 51 Avobenzone 51 acidic foods 51 Foul smelling 51 Hyaluronic acid 51 treat wooden pallets 51 Glycol 51 granulate 51 flame retardants antioxidants 51 smoker inhales 51 paralytic illness 51 benzalkonium chloride 51 naturally occurring mineral 51 dyes insecticides 51 COREXIT 51 moisture absorbers 51 soft gelatin capsules 51 calcium nitrate 51 oceanic pollutants 51 oxidizes 51 skyrocket bursting 51 propylene glycol nicotine 51 dimethylformamide 51 respiratory irritants 51 thermal decomposition 51 polish remover 51 sensitizer 51 synthetic musks 51 causes bloody diarrhea 51 Isopropyl 51 ammonium nitrogen 51 titanate 51 Household cleaners 51 genotoxic substance 51 effervescent tablet 51 Salicylic Acid 51 paints sealants 51 Inert ingredients 51 Histamine 51 chlorine atoms 51 Oxalic acid 51 Polycyclic aromatic hydrocarbons 51 Phthalate 51 Ethylene Oxide 51 benzoate preservatives 51 sequesters carbon dioxide 51 asbestosis lung cancer 51 dichloro 51 nontoxic antifreeze 51 eye irritation 51 chemical diethylene glycol 51 dichlorobenzene 51 Ethylene Glycol 51 elemental phosphorus 51 Glycolic Acid 51 sodium potassium calcium 51 Lysozyme 51 radioactive isotopes chemotherapeutics cytokines 51 dibutyl phthalate DBP 51 paradichlorobenzene 51 rotten egg smelling 51 pesticide Larvin 51 Acetic acid 51 finely dispersed 51 soman 51 chromium VI 51 nitrates phosphates 51 methyl ethyl 51 nonstick vegetable 51 alpha pinene 51 Propyl mercaptan 51 hormone disruptor 51 parathion 51 microfiltration reverse osmosis 51 Tetrodotoxin 51 saxitoxin 51 hexane 51 Perchloroethylene 51 polyacrylate 51 Inhaling 51 pavement sealants 51 propyl 51 Carbon monoxide byproduct 51 cocaine alkaloid 51 Chlorofluorocarbons 51 Polychlorinated biphenyls PCBs 51 industrial solvent trichlorethylene 51 Ingested 51 thiocyanate 51 Ingesting 51 hygroscopic 51 containing picaridin 51 metered dose 51 magnesium citrate 51 dust pet dander 51 glycerin byproduct 51 bentonite clay 51 neutralizes acid 51 Methylmercury 51 Carbofuran 51 spontaneously ignites 51 sulfonate 51 runny nose irritated 51 butane propane 51 displaces oxygen 51 thermoplastic polyester 51 leachates 51 thinners 51 zinc sulfide 51 emits noxious 51 Numoisyn R Lozenges 51 allergenic pollen 51 oleum similar 51 low VOC Volatile 51 Ethylbenzene 51 humic 51 hives swelling 51 supercritical carbon dioxide 50 EtO 50 methylparaben 50 Butyl 50 Particulates 50 colorless odorless 50 chewed snorted 50 electrochemical reactions 50 fluorides 50 bacterial toxin 50 toxaphene 50 dimethyl sulphide 50 Excess nitrogen 50 calcium caseinate 50 pyrene 50 paints paint thinners 50 polyester resins 50 xylene 50 gaseous methane 50 wood preservative 50 contaminents 50 Nanosilver 50 cellulose hemicellulose 50 hardener 50 gaseous hydrogen 50 ethylene propylene 50 acrylonitrile 50 cadmium arsenic 50 bacterium Vibrio cholerae 50 acidic 50 vapor mist 50 Sodium Sulfate 50 Raw sewage 50 oxidized cholesterol 50 lung irritation 50 degreaser 50 crystalline silica dust 50 zinc oxide nanoparticles 50 H#SO# 50 piperonyl butoxide 50 Colloidal Silver 50 degassed 50 isopropyl alcohol IPA 50 poisonous hydrogen sulphide 50 particulate contamination 50 Baking powder 50 benzene toluene 50 laureth sulfate 50 checking faucet washers 50 chelator 50 sludges 50 dimethyl 50 ammonium salt 50 magnesium stearate 50 Corexit #A 50 gases vapors 50 intensely itchy 50 Bentonite clay 50 detoxifier 50 Chlorinated 50 reproductive toxins 50 valerate 50 parabens sulfates 50 Shiranui Sea 50 Rotenone 50 sodium hydrosulfide 50 triethanolamine 50 mold dust mites 50 juglone 50 Bilirubin 50 butter flavorings 50 cyanide arsenic 50 Sulfuric Acid 50 Fungal infections 50 contain oxalic acid 50 benzene xylene 50 ethylene oxide ethylene glycol 50 plasticiser 50 utilizing thermal polyaspartate 50 cesium formate drilling 50 carbon disulphide 50 Domoic acid neurotoxin 50 nitrogenous compounds 50 hydroxides 50 Ammonium nitrate 50 acidifies 50 perfluorooctanoic acid PFOA 50 spewed scalding 50 watery sap 50 Zn DTPA 50 calcium magnesium acetate 50 firefighting foams 50 silicas 50 amorphous silica 50 inorganic substances 50 nail polish removers 50 chlorine dioxide 50 dibutyl phthalate 50 neurotoxin 50 endocrine disrupting chemical 50 methylate 50 molds fungi 50 geraniol 50 sodium metabisulfite 50 itching rashes 50 Nitrogen oxides 50 Ammonia NH3 50 hydrated lime 50 bacterium Bacillus anthracis 50 tracer dye 50 Asbestos fibers 50 bacterial fermentation 50 citrus aurantium 50 Stormwater runoff 50 chemically inert 50 countertops fabrics 50 biodegraded 50 spreader sticker 50 sodium nitrate 50 clostridium botulinum 50 bacterium Bordetella pertussis 50 pygas 50 propionic acid 50 CAS #-#-# Market [001] 50 contaminant 50 benzothiazole 50 inhaling spores